用递等式计算.2010-48×14÷325.58-1.77-1.23[1-(12-19)]×926916+(716-14)÷12973×99+97336×(112+19-124)-数学

题目简介

用递等式计算.2010-48×14÷325.58-1.77-1.23[1-(12-19)]×926916+(716-14)÷12973×99+97336×(112+19-124)-数学

题目详情

用递等式计算.
2010-48×14÷32
5.58-1.77-1.23
[1-(
1
2
-
1
9
)]×
9
26
9
16
+(
7
16
-
1
4
)÷
1
2
973×99+97336×(
1
12
+
1
9
-
1
24
题型:解答题难度:中档来源:不详

答案

(1)2010-48×14÷32,
=2010-672÷32,
=2010-21,
=1989;

(2)5.58-1.77-1.23,
=5.58-(1.77+1.23),
=5.58-3,
=2.58;

(3)[1-(class="stub"1
2
-class="stub"1
9
)]×class="stub"9
26

=[1-class="stub"7
18
class="stub"9
26

=class="stub"11
18
×class="stub"9
26

=class="stub"11
52


(4)class="stub"9
16
+(class="stub"7
16
-class="stub"1
4
)÷class="stub"1
2

=class="stub"9
16
+class="stub"3
16
÷class="stub"1
2

=class="stub"9
16
+class="stub"6
16

=class="stub"15
16


(5)973×99+973,
=973×(99+1),
=973×100,
=97300;

(6)36×(class="stub"1
12
+class="stub"1
9
-class="stub"1
24
),
=36×class="stub"1
12
+36×class="stub"1
9
-36×class="stub"1
24

=3+4-class="stub"3
2

=7-class="stub"3
2

=5class="stub"1
2

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